Performs troubleshooting, testing, low and high power turn operational checks of power plant systems, replacing or repairing worn or damaged components, such as, fuel controls, fuel pumps, oil pumps, and engine mounted gearboxes, and compressor bleed valves using hand tools, gauges, and testing equipment. Removes engine from aircraft, disassembles and inspects organizational level parts for wear, cracks, security, or other defects, and repairs or replaces organizational level defective engine parts and reassembles and installs engine in aircraft.